package com.atguigu.lease.web.app.service.impl;

import com.atguigu.lease.model.entity.BrowsingHistory;
import com.atguigu.lease.web.app.mapper.BrowsingHistoryMapper;
import com.atguigu.lease.web.app.service.BrowsingHistoryService;
import com.atguigu.lease.web.app.vo.history.HistoryItemVo;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @author liubo
 * @description 针对表【browsing_history(浏览历史)】的数据库操作Service实现
 * @createDate 2023-07-26 11:12:39
 */
@Service
@Slf4j
public class BrowsingHistoryServiceImpl extends ServiceImpl<BrowsingHistoryMapper, BrowsingHistory> implements BrowsingHistoryService {

    @Autowired
    BrowsingHistoryMapper browsingHistoryMapper;

    @Override
    @Async // 异步执行
    public void saveHistory(Long userId, Long id) {
//        创建浏览历史对象
        BrowsingHistory browsingHistory = new BrowsingHistory();
//        添加用户id
        browsingHistory.setUserId(userId);
//        添加房源id
        browsingHistory.setRoomId(id);
//        添加浏览时间
        browsingHistory.setBrowseTime(new Date());
//        查询浏览历史
        Long count = browsingHistoryMapper.selectCount(new LambdaQueryWrapper<BrowsingHistory>()
                .eq(BrowsingHistory::getUserId, userId)
                .eq(BrowsingHistory::getRoomId, id)
        );
        if (count > 0) {
//        只更新数据浏览时间
            browsingHistoryMapper.update(browsingHistory, new LambdaQueryWrapper<BrowsingHistory>()
                    .eq(BrowsingHistory::getUserId, userId).eq(BrowsingHistory::getRoomId, id));
        } else {
            browsingHistoryMapper.insert(browsingHistory);
        }
    }

    @Override
    public IPage<HistoryItemVo> pageItem(Page<HistoryItemVo> page, Long userId) {
        return browsingHistoryMapper.pageItem(page, userId);
    }
}




